« previous next »

Author Question: Suppose that 15 of all invoices are for amounts greater than 1,000. A random sample of 60 invoices ... (Read 84 times)

azncindy619

  • Hero Member
  • *****
  • Posts: 562
on: Jun 24, 2018
Suppose that 15 of all invoices are for amounts greater than 1,000. A random sample of 60 invoices is taken. What is the probability that between 13 and 23 of these 60 invoices are for more than 1,000?
 
  A) 0.4591
  B) 0.2019
  C) 0.1664
  D) 0.6255

Question 2

An assembly line will be shut down for maintenance if the defect rate exceeds 2.3. Suppose you adopt a 5 significance level and take a random sample of 200 items from the assembly line and compute the proportion of defective items.
 
  For what values of the sample proportion will the assembly line be shut down?A) 0.034
  B) 0.038
  C) 0.036
  D) 0.040


mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
A sample encounter form. A sample encounter form.
Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading. Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading.
Gas molecules have no bonds to other molecules and move in random motion. Gas molecules have no bonds to other molecules and move in random motion.
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
What is the [OH-] in a seawater sample if the pH is 8.65? What is the [OH-] in a seawater sample if the pH is 8.65?
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

For a complete list of videos, visit our video library